109,397 on UK roads in 2025-2,329 vs 2024
On the road
109k
109,397 licensed
Change vs 2024
-2.1%
-2,329 cars
New in 2025
3,841
first-time registrations
Electrified
0%
hybrid, plug-in & battery
The Mazda 3 is a common sight on UK roads, with 109,397 licensed in 2025 - down 2.1% on 2024. 3,841 were registered new in 2025. The fleet is overwhelmingly petrol (88%), with most in the 2.0-3.0L class. Most date from the 2015-2019 era.
Licensed Mazda 3 cars on the road over time
First-time registrations per year
Fuel, engine size and age across every Mazda 3 on the road today.
Current split
Engine size
Cars on the road by engine capacity
How old are they?
Share of cars by the year they were first registered
How a Mazda 3 holds up at its MOT and how it's driven - from 128,875 tests, tracked across 2022-2025.
Average for its class
73.9%
128,875 MOT tests in 2025 · 104,031 first-time
Pass rate over time
2022
74.6%
2023
73.8%
2024
73.8%
2025
73.9%
▼ 0.7 pts since 2022
First-time pass rate by the car's age (tested in 2025)
How a Mazda 3 is driven
tracked across 2022-25miles a year, from 111,791 cars tracked across years
37.7%
low · <5k
58.4%
avg · 5-15k
3.9%
high · 15k+
Most cover 3,877-8,836 miles a year (median 6,095).
Yearly mileage as the car ages
Driven most when newer, easing as it gets older.
Mileage & condition
Odometer when tested (2025)
Typical odometer rising: 69,184 → 71,426 → 73,680 → 76,273
Pass rate as the odometer climbs
First-time pass rate by fuel
Petrol
90,463 tests
74.4%
Diesel
13,522 tests
70.4%
A 2025 Mazda 3 passes first time 73.9% of the time - below the 77.6% UK average, and easing slightly year on year. The typical one is driven about 6,771 miles a year, and reliability is mostly about miles: 89.1% of low-mileage cars pass versus 60.1% past 120k.
Of 27,131 first-time fails, here's what gets flagged most. Most cars fail on more than one item, so shares add up past 100%.
Share of failed tests, by area
Exact items most often recorded as the reason a car failed
Before you buy a specific Mazda 3, run its registration through AnalyzeMyCar for MOT history, mileage checks, service history and valuation.
